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 _    _      ___      ______   __   __    _  __  
| || | ||   / _ \\   /_   _//  \ \\/ //  | |/ // 
| || | ||  / //\ \\    | ||     \ ` //   | ' //  
| \\_/ || |  ___  ||  _| ||      | ||    | . \\  
 \____//  |_||  |_|| /__//       |_||    |_|\_\\ 
  `---`   `-`   `-`  `--`        `-`'    `-` --`

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發送短信 : Relational to entity-relationship schema translation using semantic and inclusion dependencies